Prorastomus fossil map
Where fossils of Prorastomus have been found, shown on the Earth as it looked about 45 million years ago and on today’s map.
Dots are fossil collections recorded in the Paleobiology Database. The “then” view moves today’s fossil sites back to their positions 45 million years ago (the time slice nearest the median age of the fossils) using the Merdith et al. (2021) plate model; positions are approximate. Open on the timeline map →
| Group | Early mammals |
|---|---|
| Lived | 48.07–41.03 million years ago (Lutetian) |
| Periods | Paleogene |
| Family | Prorastomidae |
| Named by | Owen 1855 |
| Fossil records | 4 occurrences at 2 locations (PBDB) |
| Found in | Jamaica |
| Rock formations | Chapelton |
About Prorastomus
Prorastomus sirenoides is an extinct species of primitive sirenian that lived during the Eocene Epoch 40 million years ago in Jamaica.
Text in “About” is quoted from the Wikipedia article Prorastomus (revision 1372744496), licensed under CC BY-SA 4.0; introduction excerpted verbatim, formatting removed. Ages, family, authority and fossil records: Paleobiology Database, accessed 23 October 2026. Ages are those of the rock layers the fossils were found in. Wikidata: Q27057242.
